Brazil yellow fever outbreak eclipses 150 confirmed cases

According to a Situation Summary from the Pan American Health Organization (PAHO) Thursday, in Brazil, between 1 December 2016 and 2 February 2017, 901 cases of yellow fever were reported (151 confirmed, 42 discarded, and 708 suspected cases remain under investigation), including 143 deaths (54 confirmed, 3 discarded, and 86 under investigation).

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The overall case- fatality rate (CFR) is 16%, with 36% CFR among confirmed cases and 12% CFR among suspected cases.

According to the probable site of infection, the suspected and confirmed cases are distributed in five states: Bahia (10), Espirito Santo (67), Minas Gerais (802), São Paulo (7), and Tocantins (4). The case fatality rate of suspected and confirmed cases in the state of Espirito Santo is 12%, in Minas Gerais is 16%, and in São Paulo is 43%.

The confirmed cases are distributed in three states: Espirito Santo (13), Minas Gerais (134), and São Paulo (4) (Figure 1). Of the confirmed cases, 50% were men between 31 and 50 years of age. With regard to the confirmed deaths, 48 occurred in the state of Minas Gerais, three in the state of São Paulo and three in the state of Espirito Santo.